Sigma-Aldrich
Iron
L-Homocysteic acid
L-同型半胱氨酸
Lead
蜗牛凝集素, Lectin from Helix pomatia
黑色素, Melanin
Molybdenum
MOPS hemisodium salt
MOPS 半钠盐
N-Benzoyl-L-tyrosine p-nitroanilide
Nickel